Drinking lemonade with abdominal pain is mainly considered to be related to improper drinking, allergic reactions and digestive diseases. 1. Improper drinking: If too much ice is added to lemonade, it will stimulate the stomach and intestines and trigger abdominal pain after drinking; drinking lemonade in a hungry or empty stomach state may also stimulate the stomach and intestines, triggering acid reflux, abdominal pain and other symptoms. 2. Allergic reaction: some people have allergic reaction after drinking lemonade, which can also trigger abdominal pain, diarrhea and other adverse reactions. 3. Digestive diseases: patients with chronic gastritis, chronic enteritis, gastric ulcer, gastric cancer and other digestive diseases, under the stimulation of lemonade, can cause acute attacks, abdominal pain symptoms. The appearance of such symptoms can not completely exclude the possibility of other diseases. It is recommended to seek timely medical examination to confirm the cause of the disease, and treatment according to the cause of the disease.